Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Leroy E. Gerlach — 5 Patents

DADatacard: 5 patents #15 of 168Top 9%
Bloomington, MN: #289 of 1,157 inventorsTop 25%
Minnesota: #13,707 of 52,454 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Leroy E. Gerlach has been granted 5 US patents while listed as an inventor at Datacard. The first was granted in 1983 and the most recent in August 1987. Leroy E. Gerlach ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Leroy E. Gerlach in Bloomington, MN, US.

Patents per Year

Patents granted per year, 1983 to 1987Bar chart with a peak of 2 patents in 1983.peak 21983: 2 patents19831984: 1 patents19841985: 1 patents19851987: 1 patents1987

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4688785 Embossing assembly for automatic embossing system Richard C. Nubson, Ronald B. Howes, Jr., Glenn R. Carney, Edward R. Gabel, Robert Schmidt +1 more 1987-08-25 $2,002,000
4555610 Laser machining system Michael D. Polad, Robert Schmidt 1985-11-26 $1,149,000
4467335 System for forming an image on the surface of a plastic card Robert Schmidt, Craig Fordahl 1984-08-21 $710,000
4384196 Apparatus and system for preparing data cards and mailer forms and for attaching data cards to respectively associated mailer forms Roger D. McCumber 1983-05-17 $1,056,000
4378733 Embossing drive mechanism for an automatic embossing system Michael D. Polad, Edward R. Gabel, Robert Schmidt, Glenn H. Heiller 1983-04-05 $856,000