7 Matching Results

Search Results

Results: 1 - 7

Improvement in Hair-Triggers for Fire-Arms.

Description: Patent for "an improved trigger for fire-arms which shall be provided with a hair-trigger in such a way that the hair-trigger may be used or not, as may be desired, which shall be complete in itself, so that it may be applied to any kind of fire-arm without change in its construction" (lines 17-23), includes illustrations.
Date: May 20, 1879
Creator: Toepperwein, Emil A. F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Torpedo-Guard.

Description: Patent for torpedo guards that can be applied without needing to place the vessel in a dry dock, as well as giving the option of retracting the torpedo guards when not needed. Includes illustrations.
Date: May 21, 1918
Creator: Rolf, Frederick G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Range-Finder for Rifles.

Description: Patent for range-finder for rifles, with illustrations. The invention "is adapted for ready application to a rifle by producing a simple dovetailed groove in the stock or stock-tip, near the front end" (lines 9-12).
Date: May 22, 1883
Creator: Ord, Edward O. C., Jr. & Kress, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shotgun

Description: Patent for a trigger operated shotgun that uses an electrical circuit to ignite combustible material of the shell and thereby propelling the shot within.
Date: May 21, 1918
Creator: Fleming, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen