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

Michael D. Polad — 4 Patents

DADatacard: 4 patents #23 of 168Top 15%
Mendota, MN: #1 of 4 inventorsTop 25%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Michael D. Polad has been granted 4 US patents while listed as an inventor at Datacard. The first was granted in 1981 and the most recent in August 1987. Michael D. Polad ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Michael D. Polad in Mendota, MN, US.

Patents per Year

Patents granted per year, 1981 to 1987Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811983: 1 patents19831985: 1 patents19851987: 1 patents1987

Issued Patents All Time

Showing 1–4 of 4 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 Leroy E. Gerlach, Robert Schmidt 1985-11-26 $1,149,000
4378733 Embossing drive mechanism for an automatic embossing system Leroy E. Gerlach, Edward R. Gabel, Robert Schmidt, Glenn H. Heiller 1983-04-05 $856,000
4271012 Automatic embossing system Richard J. LaManna, Jacob H. Drillick 1981-06-02 $629,000