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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RG

Robert E. Gramera — 10 Patents

Craig, CO: #6 of 73 inventorsTop 9%
Colorado: #4,661 of 40,980 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Robert E. Gramera has been granted 10 US patents. The first was granted in 1982 and the most recent in August 1999. Robert E. Gramera ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Robert E. Gramera in Craig, CO, US.

Patents per Year

Patents granted per year, 1982 to 1999Bar chart with a peak of 2 patents in 1988.peak 21982: 1 patents19821988: 2 patents19881990: 1 patents19901991: 2 patents19911992: 1 patents19921993: 1 patents19931998: 1 patents19981999: 1 patents1999

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D412679 Set of traffic signal lenses 1999-08-10
D401821 Set of coupled block weights for sealing carpet seams 1998-12-01
D338146 Equilateral torque drive double-ended socket wrench for hexagonal fasteners 1993-08-10
D326693 Coupler for model railroad cars and locomotives 1992-06-02
5048379 Multi-functional double-ended socket wrenches David B. Wuchert 1991-09-17
D318439 Label 1991-07-23
D306321 Adhesive label 1990-02-27
4743025 Visually differentiating the coded combinations of three dies 1988-05-10
4720108 Visual system differentiating identical sums of two numbered dice 1988-01-19
4335820 Magnetically-automated uncoupling system for model railroads 1982-06-22